Pockets

The way of constructing and folding the envelope makes the difference between a wallet and a pocket.

As with wallets, the shape and size of the flaps and the combinations which can be and are usually made, differentiate the different pockets.

The right side seam is the longest one

Both side seams one similar in size and are meeting in the center of the pocket..

The left side seam always folds out of the ride side seam.

Pocket

Pocket

Pocket

Types of Envelopes

The Spanish norm defines the envelope as "a flat, rectangular-shaped wrapper, generally obtained from a sheet of paper folded in such a way that a single front side is obtained and a back side formed by four flaps which are mounted together.